217230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 562464

約数和(自身を除く): 345234

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 557, 1114, 1671, 2785, 3342, 5570, 7241, 8355, 14482, 16710, 21723, 36205, 43446, 72410, 108615, 217230]

約数ペア:

[(1, 217230), (2, 108615), (3, 72410), (5, 43446), (6, 36205), (10, 21723), (13, 16710), (15, 14482), (26, 8355), (30, 7241), (39, 5570), (65, 3342), (78, 2785), (130, 1671), (195, 1114), (390, 557)]